Rectangular Prism Volume Calculator
Rectangular prism volume = length × width × height.
Open toolRegular Prism Volume Calculator
Find a prism volume from a regular polygon base and perpendicular height. Use the same length unit throughout.
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Enter the inputs, then select Calculate.
Your result
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Result will appear here
How Regular Prism Volume Calculator works
Find a prism volume from a regular polygon base and perpendicular height.
Use the same length unit throughout. Areas use squared units and volumes use cubed units. Base area is n s² / (4 tan(π/n)). Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How to use Regular Prism Volume Calculator
Follow the labelled inputs.
Enter regular base side count
Replace the example with regular base side count. The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
Set base side length, perpendicular prism height. Use the same length unit throughout.
Tool result
Run, review and save
Select Calculate. Review the calculated result, then copy it or download the result text.
Review the details
Examples and uses for Regular Prism Volume Calculator
Check the supplied example
The starting example produces 31.1769145362. Find a prism volume from a regular polygon base and perpendicular height.
Use your own inputs
Read the labels for regular base side count and base side length, perpendicular prism height. Use the same length unit throughout.
Record a reviewed result
Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.
How to read the result
Read the units and assumptions with the output.
Find a prism volume from a regular polygon base and perpendicular height.
Use the same length unit throughout. Areas use squared units and volumes use cubed units. Base area is n s² / (4 tan(π/n)). Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
Supported input and limits
Check the stated scope before you run it.
Use the same length unit throughout. Areas use squared units and volumes use cubed units. Base area is n s² / (4 tan(π/n)). Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolRegular Prism Volume Calculator: common questions
Answers about using Regular Prism Volume Calculator and understanding its results.
What inputs and assumptions apply?
Use the same length unit throughout. Areas use squared units and volumes use cubed units. Base area is n s² / (4 tan(π/n)). Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How can I save the result?
Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.
Calculate with your input
Check the calculated result, then copy or download it.